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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Some ECOFF definitions.
3 */
4typedef struct filehdr {
5 unsigned short f_magic; /* magic number */
6 unsigned short f_nscns; /* number of sections */
7 long f_timdat; /* time & date stamp */
8 long f_symptr; /* file pointer to symbolic header */
9 long f_nsyms; /* sizeof(symbolic hdr) */
10 unsigned short f_opthdr; /* sizeof(optional hdr) */
11 unsigned short f_flags; /* flags */
12} FILHDR;
13#define FILHSZ sizeof(FILHDR)
14
15#define OMAGIC 0407
16#define MIPSEBMAGIC 0x160
17#define MIPSELMAGIC 0x162
18
19typedef struct scnhdr {
20 char s_name[8]; /* section name */
21 long s_paddr; /* physical address, aliased s_nlib */
22 long s_vaddr; /* virtual address */
23 long s_size; /* section size */
24 long s_scnptr; /* file ptr to raw data for section */
25 long s_relptr; /* file ptr to relocation */
26 long s_lnnoptr; /* file ptr to gp histogram */
27 unsigned short s_nreloc; /* number of relocation entries */
28 unsigned short s_nlnno; /* number of gp histogram entries */
29 long s_flags; /* flags */
30} SCNHDR;
31#define SCNHSZ sizeof(SCNHDR)
32#define SCNROUND ((long)16)
33
34typedef struct aouthdr {
35 short magic; /* see above */
36 short vstamp; /* version stamp */
37 long tsize; /* text size in bytes, padded to DW bdry*/
38 long dsize; /* initialized data " " */
39 long bsize; /* uninitialized data " " */
40 long entry; /* entry pt. */
41 long text_start; /* base of text used for this file */
42 long data_start; /* base of data used for this file */
43 long bss_start; /* base of bss used for this file */
44 long gprmask; /* general purpose register mask */
45 long cprmask[4]; /* co-processor register masks */
46 long gp_value; /* the gp value used for this object */
47} AOUTHDR;
48#define AOUTHSZ sizeof(AOUTHDR)
49
50#define OMAGIC 0407
51#define NMAGIC 0410
52#define ZMAGIC 0413
53#define SMAGIC 0411
54#define LIBMAGIC 0443
55
56#define N_TXTOFF(f, a) \
57 ((a).magic == ZMAGIC || (a).magic == LIBMAGIC ? 0 : \
58 ((a).vstamp < 23 ? \
59 ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + 7) & 0xfffffff8) : \
60 ((FILHSZ + AOUTHSZ + (f).f_nscns * SCNHSZ + SCNROUND-1) & ~(SCNROUND-1)) ) )
61#define N_DATOFF(f, a) \
62 N_TXTOFF(f, a) + (a).tsize;